Table I. Fatty acid compositions of leaf lipids from wild-type and mutant Arabidopsis grown at 22°C.
Data are from one of three separate experiments that gave similar results. WT, Wild type; PE, phosphatidylethanolamine; PI, phosphatidylinositol.
| Lipid Class | Genotype | % of Total Polar Lipids | Fatty Acid Composition |
||||||
| 16:0 | 16:1 | 16:3 | 18:0 | 18:1 | 18:2 | 18:3 | |||
| % | |||||||||
| MGD | WT | 32.6 | 3.3 | 1.7 | 30.7 | –a | 1.4 | 3.4 | 57.2 |
| fab1 | 35.1 | 5.2 | 3.2 | 33.3 | – | 2.5 | 2.0 | 51.1 | |
| S7 | 30.1 | 9.6 | 3.0 | 13.3 | 1.3 | 3.2 | 2.2 | 65.8 | |
| DGD | WT | 14.2 | 16.8 | – | 2.9 | 2.7 | 1.1 | 4.1 | 71.8 |
| fab1 | 10.4 | 31.4 | 1.2 | 3.2 | 2.1 | 3.5 | 3.4 | 54.5 | |
| S7 | 12.2 | 32.7 | 2.9 | – | 2.2 | 2.8 | 1.7 | 57.2 | |
| PG | WT | 12.9 | 33.0 | 19.8 | – | 2.1 | 5.8 | 12.1 | 27.2 |
| fab1 | 14.8 | 48.2 | 18.4 | – | 1.5 | 5.1 | 7.5 | 18.4 | |
| S7 | 11.5 | 34.5 | 21.3 | – | 1.4 | 5.2 | 11.0 | 25.3 | |
| SQD | WT | 3.4 | 52.7 | 1.4 | – | 5.6 | 3.0 | 5.6 | 31.6 |
| fab1 | 3.5 | 58.3 | 2.0 | 2.9 | 4.2 | 1.8 | 5.8 | 24.4 | |
| S7 | 3.6 | 55.6 | 3.2 | – | 8.2 | 2.4 | 3.0 | 24.9 | |
| PC | WT | 18.7 | 26.6 | – | – | 3.2 | 6.7 | 32.7 | 30.1 |
| fab1 | 18.3 | 34.0 | 2.6 | – | 2.6 | 6.1 | 24.4 | 29.8 | |
| S7 | 20.7 | 38.5 | 1.7 | – | 3.4 | 7.3 | 26.2 | 24.9 | |
| PE | WT | 12.9 | 30.9 | – | – | 2.7 | 4.0 | 34.4 | 28.0 |
| fab1 | 12.9 | 34.2 | 1.1 | – | 1.8 | 5.6 | 26.4 | 29.8 | |
| S7 | 14.7 | 38.1 | – | – | 2.3 | 6.3 | 29.5 | 23.7 | |
| PI | WT | 5.3 | 52.3 | – | – | 5.3 | 2.5 | 19.3 | 20.6 |
| fab1 | 5.0 | 56.1 | – | – | 1.9 | 1.7 | 16.6 | 23.7 | |
| S7 | 7.1 | 55.5 | 1.0 | – | 4.1 | 4.7 | 18.0 | 16.7 | |
a
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